490670101 has 2 divisors, whose sum is σ = 490670102. Its totient is φ = 490670100.

The previous prime is 490670087. The next prime is 490670171. The reversal of 490670101 is 101076094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301057201 + 189612900 = 17351^2 + 13770^2 .

It is a cyclic number.

It is not a de Polignac number, because 490670101 - 2⁷ = 490669973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 490670101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490670171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245335050 + 245335051.

It is an arithmetic number, because the mean of its divisors is an integer number (245335051).

Almost surely, 2^490670101 is an apocalyptic number.

It is an amenable number.

490670101 is a deficient number, since it is larger than the sum of its proper divisors (1).

490670101 is an equidigital number, since it uses as much as digits as its factorization.

490670101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 490670101 is about 22151.0744886112. The cubic root of 490670101 is about 788.7327334826.

The spelling of 490670101 in words is "four hundred ninety million, six hundred seventy thousand, one hundred one".